6609475904 has 28 divisors (see below), whose sum is σ = 13330697748. Its totient is φ = 3250560000.

The previous prime is 6609475897. The next prime is 6609475913. The reversal of 6609475904 is 4095749066.

It can be written as a sum of positive squares in 2 ways, for example, as 3800475904 + 2809000000 = 61648^2 + 53000^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842597 + ... + 850404.

Almost surely, 2^6609475904 is an apocalyptic number.

6609475904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6609475904 is an abundant number, since it is smaller than the sum of its proper divisors (6721221844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6609475904 is a wasteful number, since it uses less digits than its factorization.

6609475904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693074 (or 1693064 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 6609475904 is about 81298.6832857704. The cubic root of 6609475904 is about 1876.6747375509.

The spelling of 6609475904 in words is "six billion, six hundred nine million, four hundred seventy-five thousand, nine hundred four".